Changhong NewEnergy A benchmark in full-tab cylindrical lithium batteries, deeply committed to the fields of tools, small-power devices, and smart equipment

As cylindrical lithium batteries are fully transitioning into the era of full-tab electrodes, low internal resistance, high rate capability, long cycle life, and high safety have become the core criteria for cell selection. As the flagship lithium battery division and key subsidiary under Changhong NewEnergy (stock code: 920239), Changhong Sanjie leverages its parent company’s robust technological foundation, advanced manufacturing capabilities, and comprehensive industrial layout to deeply cultivate the full-tab cylindrical lithium battery market. With a mature technology system and scenario-specific product solutions, Changhong Sanjie has established itself as a leader in the electric tools, small-power applications, and...Robots, drones As a premium supplier of high-end battery cells, we are injecting Longhong’s momentum into the high-quality development of new-energy power and intelligent equipment applications.

I. Backed by ChanghongGroupBuilding a powerhouse in all-pole-ear lithium batteries.

Sichuan Changhong New Energy Technology Co., Ltd. was established in 2006. It is a national-level high-tech enterprise, a national-level “Little Giant” specializing in niche and innovative products, and a national-level green factory under the Changhong Holding Group. The company has built a core industrial structure driven by a dual-wheel strategy of "alkaline-manganese batteries + lithium batteries." Its business covers the entire value chain—from battery R&D and intelligent manufacturing to sales—and it holds 295 core patented technologies, wielding significant influence in the formulation of industry standards.

As a core strategic business segment of Changhong NewEnergy focused on the secondary lithium-ion battery sector, Changhong Sanjie specializes in the R&D, production, and application of full-tab cylindrical lithium batteries. The company is one of the earliest domestic enterprises to successfully scale up and implement full-tab mass-production technology. Leveraging its global production capacity across six intelligent manufacturing bases (Mianyang, Sichuan; Jiaxing, Zhejiang; Taixing, Jiangsu; Huarong, Hunan; Shenzhen, Guangdong; Chonburi Province, Thailand) and an intelligent management system powered by 5G and the Industrial Internet, the company is highly focused on...Power tools, small power devices,Robots, dronesWaitIn the core track, with standardized precision manufacturing, stable product consistency, and exceptional performance, we have built a solid core competitive edge in the lithium battery sub-sector—this is also the key engine driving the rapid growth of Changhong NewEnergy’s lithium battery business.

II. All-Terminal Cylindrical Lithium Batteries: Four Core Advantages

Leveraging Changhong NewEnergy’s mature lithium-ion battery R&D platform and its comprehensive smart manufacturing expertise, Changhong’s full-tab cylindrical lithium batteries adopt a full-tab structure with 360° circumferential surface contact, completely overcoming the limitations of the traditional single-tab “point contact” design and achieving all-round performance upgrades in the battery cells.Precisely tailored to meet the stringent demands of high-end power and intelligent equipment, including electric tools, small-power devices, robots, drones, and more.:

1. Internal resistance drops sharply, resulting in lower heat generation.

Abandon the traditional 1-2 separate metal tabs,Full ear terminalBy using the entire edge of the current collector as conductive terminals, the internal resistance is reduced by 50% to 80% compared to conventional cylindrical cells.The actual AC internal resistance is controlled below 5 milliohms.During high-load operation, temperature rise is significantly reduced, resulting in more efficient and stable power consumption. Relying on Changhong NewEnergy’s intelligent quality-control system, cell consistency has been greatly improved, effectively mitigating issues such as heat generation and power loss when used in large batches.Suitable for long-term, high-load scenarios such as continuous robotic operations and frequent takeoffs and landings of drones..

2. High-rate discharge, maximum power!

Leveraging the technological expertise accumulated at Changhong NewEnergy’s largest high-rate cylindrical lithium battery production base in western China, our products can withstand continuous...70High-rate (17.5C) continuousCurrent discharge,100A current discharges instantaneously,Support3CUltra-fast charge and discharge capabilities deliver extreme performance—10 minutes for a quick charge and just 4 minutes for a quick discharge—perfectly matching the high-power output requirements of power tools.Robotic instantaneous torque burst, drone vertical takeoff and landing, and stable hovering power.The demand supports the full-load operation of specialized tools such as impact drills and electric hammers, while also ensuring that smart robots and drones deliver rapid power response and explosive performance.

3. Long cycle life + extreme low temperatures—durability at its peak!

Backed by Changhong NewEnergy’s core material formulation and structural optimization technologies, the battery cells boast a cycle life that is more than 50% longer than that of conventional cells, with outstanding resistance to capacity degradation. At the same time, these cells exhibit exceptional environmental adaptability and remarkable low-temperature discharge performance—remaining stable and delivering reliable power even in harsh cold conditions as low as -20°C.Can confidently handle complex operating conditions such as robotic outdoor inspections and drone operations in extremely cold environments.Significantly extends the overall service life of the equipment.

4. Safety upgrade, with improved energy density.

The all-terminal ear structure eliminates the space occupied by traditional separate terminal ears, effectively boosting the cell’s energy density while balancing range and lightweight design. At the same time, the overall thermal uniformity of the cell is significantly improved, reducing the risk of thermal runaway at the structural level. Throughout the entire product lifecycle, we adhere to Changhong NewEnergy’s stringent safety testing standards and have passed multiple reliability tests.Meet the core requirements of robots and drones for high security, long endurance, and lightweight design.Balances high performance with high security, and is suitable for a wide range of high-end compliance scenarios.

III. Core Application Scenarios: Covering all scenarios—tools, small power devices, robotics, and drones.

1. Power tools

Electric power tools represent the most mature and dominant application area for full-tab lithium batteries, accounting for over 90%. Changhong Sanjie’s full-tab cylindrical battery cells, backed by Changhong NewEnergy’s stable supply chain and large-scale production capacity, are precisely tailored to the 18V/40V professional tool platforms of global high-end brands such as Makita, Bosch, and Milwaukee. These cells deliver long-lasting, stable power output for high-power devices including impact drills, rotary hammers, electric saws, and angle grinders, fully meeting the demanding requirements of professional-grade tools—namely, high load, frequent use, and prolonged operation. As a result, Changhong Sanjie firmly maintains a leading position in the high-end electric power tool battery cell market.

2. Electric two-wheeled vehicles/electric motorcycles

Targeting the mainstream market for new national-standard electric two-wheelers and smart electric motorcycles, Changhong Sanjie leverages Changhong NewEnergy’s integrated R&D and manufacturing strengths to introduce a highly adaptable, full-pole-ear cylindrical lithium-ion battery solution. This solution boasts four core advantages: high rate capability, long service life, high cost-effectiveness, and enhanced safety. It strikes an ideal balance among vehicle power output, range, and durability, making it the preferred battery cell solution for civilian small-power mobility applications.

3. Robot

Industrial robots,Humanoid robots,Service robots and inspection robots place high demands on power cells in terms of high discharge rates,High security,Strict requirements for low heat generation, long battery life, and high stability.Thanks to its ultra-low internal resistance, high instantaneous discharge capability, and excellent consistency, Changhong’s full-tab cylindrical lithium batteries are perfectly suited for applications such as robotic joint drives, continuous operations, and autonomous inspections. They effectively reduce equipment heat loss, extend operational duration, and enhance running stability, making them the preferred lithium battery solution for industrial automation and intelligent service sectors.

4. Drone

Consumer-grade drones, industrial-grade drones, agricultural drones, and aerial photography drones all have a strong demand for lightweight battery cells that offer high discharge rates, rapid charging and discharging capabilities, and excellent performance in low-temperature environments.The Changhong Three-Jie all-pole-round-cylinder lithium battery achieves lightweight body design through its high energy density, ensures stable power for drone takeoff, landing, hovering, and aerial photography with its strong high-rate performance, boosts operational efficiency with ultra-fast charge and discharge capabilities, and expands the scope of outdoor operations with its exceptional low-temperature performance down to -20°C. It fully meets the aviation-grade power and safety standards for drones, setting a benchmark for highly reliable battery cells in the drone industry.

5. Expand emerging scenarios

Thanks to their high power, lightweight design, and strong adaptability, Changhong Sanjie battery cells continue to expand their application boundaries, fully covering emerging scenarios such as portable energy storage and smart cleaning devices. These cells perfectly meet the core requirements of equipment—including high pulse discharge capability, rapid power response, and operation in complex environments—thus helping Changhong NewEnergy deepen its presence in niche new-energy segments and build a diversified portfolio of power products.

IV. Anchoring on industry trends, Changhong NewEnergycontinues to deepen its focus on the high-end lithium battery sector.

Currently, the full-tab structure has become the mainstream upgrade direction in the cylindrical lithium battery industry, driven by the iteration of power tools and the growing popularity of small-power applications.The explosion of intelligent robotics and drone technologiesThe booming demand for portable energy storage and the rise of smart equipment continue to drive the expansion of demand for high-performance lithium-ion battery cells. As a leading company listed on the Beijing Stock Exchange, Changhong NewEnergy has consistently focused on the core business of new-energy batteries. Relying on its global production capacity layout, continuous investment in technological innovation, and a stringent intelligent manufacturing quality-control system, the company continues to deepen its presence in the premium high-rate lithium-battery segment.

In the future, Changhong NewEnergy will continue to rely on its subsidiary, Changhong Sanjie.,Changhong Juhe YuanLeveraging the technological and product advantages of our core subsidiaries, we will continue to iterate on our full-tab lithium battery technology, expand high-end production capacity, and enrich scenario-specific solutions.Deeply focused on the core sectors of power tools, small-power machinery, robotics, and drones.We will continue to expand into emerging new energy application fields, leveraging our precision-engineered lithium-ion battery products to drive industry upgrades and wholeheartedly build ourselves into a domestically leading and internationally renowned smart manufacturing enterprise for new-energy batteries!